Astra_Block_Editor_Configs::register_configuration( Array $configurations, WP_Customize_Manager $wp_customize )

		public function register_configuration( $configurations, $wp_customize ) {

			$is_legacy_setup = ( 'legacy' === astra_get_option( 'wp-blocks-ui', 'custom' ) || true === astra_get_option( 'blocks-legacy-setup', false ) ) ? true : false;

			$spacing_control_title = __( 'Core Blocks Spacing', 'astra' );
			$spacing_context_array = array();
			if ( $is_legacy_setup ) {
				$spacing_control_title = __( 'Size', 'astra' );
				$spacing_context_array = array(
					array(
						'setting'  => ASTRA_THEME_SETTINGS . '[wp-blocks-ui]',
						'operator' => '===',
						'value'    => 'custom',
					),
				);
			}

			$_configs = array(
				/**
				 * Option: Global Padding Option.
				 */
				array(
					'name'              => ASTRA_THEME_SETTINGS . '[wp-blocks-global-padding]',
					'section'           => 'section-block-editor',
					'title'             => $spacing_control_title,
					'sanitize_callback' => array( 'Astra_Customizer_Sanitizes', 'sanitize_responsive_spacing' ),
					'default'           => astra_get_option( 'wp-blocks-global-padding' ),
					'type'              => 'control',
					'control'           => 'ast-responsive-spacing',
					'choices'           => array(
						'top'    => __( 'Top', 'astra' ),
						'right'  => __( 'Right', 'astra' ),
						'bottom' => __( 'Bottom', 'astra' ),
						'left'   => __( 'Left', 'astra' ),
					),
					'linked_choices'    => true,
					'priority'          => 10,
					'unit_choices'      => array( 'px', 'em', '%' ),
					'context'           => $spacing_context_array,
				),
				array(
					'name'     => ASTRA_THEME_SETTINGS . '[wp-blocks-ui-description]',
					'type'     => 'control',
					'control'  => 'ast-description',
					'section'  => 'section-block-editor',
					'priority' => 10,
					'help'     => '<p style="margin-top: -10px;">' . __( 'Global padding setting for WordPress Group, Column, Cover blocks, it can be overridden by respective block\'s Dimension setting.', 'astra' ) . '</p>',
					'settings' => array(),
				),
			);

			if ( $is_legacy_setup ) {
				/**
				 * Option: WP Blocks UI type.
				 */
				$_configs[] = array(
					'name'       => ASTRA_THEME_SETTINGS . '[wp-blocks-ui]',
					'type'       => 'control',
					'control'    => 'ast-selector',
					'section'    => 'section-block-editor',
					'default'    => astra_get_option( 'wp-blocks-ui' ),
					'priority'   => 9,
					'title'      => __( 'Core Blocks Spacing', 'astra' ),
					'choices'    => array(
						'legacy' => __( 'Legacy', 'astra' ),
						'custom' => __( 'Custom', 'astra' ),
					),
					'responsive' => false,
					'renderAs'   => 'text',
				);
			}

			return array_merge( $configurations, $_configs );
		}